The new district maps for state Assembly, Senate, Board of Equalization and Congressional districts will be used beginning with the 2012 June and November elections.

 Referendum: A referendum challenging the state senate maps has qualified for the November 2012 General Election ballot

"To avoid uncertainty about which maps should be used in 2012 elections",the state Supreme Court has ruled that for the June and November 2012 ballot, the Commission’s certified (8/15/2011) senate district maps will be used.